<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge"/>
    <meta name="viewport" content="width=device-width,initial-scale=1"/>
    <title>Title</title>
    <link rel="stylesheet" href="../../lib/bootstrap/css/bootstrap.min.css">
</head>
<body>
    <div class="container">
        <h1>这是H1标签<small>这是h1的副标题</small></h1>
        <h2>这是H2标签<small>这是h2的副标题</small></h2>
        <h3>这是H3标签<small>这是h3的副标题</small></h3>
        <h4>这是H4标签<small>这是h4的副标题</small></h4>
        <h5>这是H5标签<small>这是h5的副标题</small></h5>
        <h6>这是H6标签<small>这是h6的副标题</small></h6>
        <br>
        abbr:
        <abbr title="attribute" class="initialism">缩略语</abbr>
    </div>
</body>
</html>